canNeverBeRef() — vue Function Reference

Architecture documentation for the canNeverBeRef() function in compileScript.ts from the vue codebase.

Function typescript SfcCompiler ScriptCompiler calls 1 called by 1

Entity Profile

SfcCompiler→ ScriptCompiler→ canNeverBeRef() — vue Function Reference

Dependency Diagram

graph TD
  2f21a226_a78c_022a_011a_72b2ba77e9f0["canNeverBeRef()"]
  c9346cac_54e3_f6ca_68a7_03c6e82c9609["compileScript.ts"]
  2f21a226_a78c_022a_011a_72b2ba77e9f0 -->|defined in| c9346cac_54e3_f6ca_68a7_03c6e82c9609
  3de0d66d_b49c_710a_a5dd_4aad647e8642["walkDeclaration()"]
  3de0d66d_b49c_710a_a5dd_4aad647e8642 -->|calls| 2f21a226_a78c_022a_011a_72b2ba77e9f0
  001d4700_1435_f6f3_5057_66425a67ca75["isCallOf()"]
  2f21a226_a78c_022a_011a_72b2ba77e9f0 -->|calls| 001d4700_1435_f6f3_5057_66425a67ca75
  style 2f21a226_a78c_022a_011a_72b2ba77e9f0 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/compiler-sfc/src/compileScript.ts lines 1630–1656

function canNeverBeRef(node: Node, userReactiveImport: string): boolean {
  if (isCallOf(node, userReactiveImport)) {
    return true
  }
  switch (node.type) {
    case 'UnaryExpression':
    case 'BinaryExpression':
    case 'ArrayExpression':
    case 'ObjectExpression':
    case 'FunctionExpression':
    case 'ArrowFunctionExpression':
    case 'UpdateExpression':
    case 'ClassExpression':
    case 'TaggedTemplateExpression':
      return true
    case 'SequenceExpression':
      return canNeverBeRef(
        node.expressions[node.expressions.length - 1],
        userReactiveImport
      )
    default:
      if (node.type.endsWith('Literal')) {
        return true
      }
      return false
  }
}